<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>教务查询系统</title>
</head>
<body>
<h1 style="text-align: center;">教务查询系统</h1>
<div style="text-align: center;">
<a href="login.html"><button>登录</button></a>
<a href="register_stu.html"><button>学生注册</button></a>
<a href="register_tec.html"><button>教师注册</button></a>
</div>
</body>
</html>